> You'll almost certainly get much better performance if you increase> your journal size. I should make the crash go away, too, although I> would like to figure out what is going on so we can fix it.

OK, but let's fix this first.

> In the meantime, you say this happens nightly. Can you take a look at> the time when it normally crashes and see if you can correlate it to> some cron job activity? Maybe that will be a hint as to what is> triggering it.

I had a look but didn't find anything very useful. Will reread the logs now... it seems useful though: